Christie Takes Aim at Planned Parenthood at Debate00:35
Republican presidential candidate Chris Christie talks about Planned Parenthood during Thursday's GOP debate in Iowa.
Watch Trump’s full immigration announcement13:21
Presidential historian Doris Kearns on reports apparently questioning Trump’s loyalty to U.S.05:55
Christopher Dickey: Trump is dismantling alliances instrumental in winning the Cold War08:19
Trump claims ‘no president since Lincoln’ has been treated worse by media13:10
Karine Jean-Pierre: We are the wealthiest nation on earth and have people waiting on paychecks07:55
Sarah Kendzior: Trump's relationship with Russia goes back 30 years as do his political ambitions13:32